126951701 has 2 divisors, whose sum is σ = 126951702. Its totient is φ = 126951700.

The previous prime is 126951691. The next prime is 126951719. The reversal of 126951701 is 107159621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 126675025 + 276676 = 11255^2 + 526^2 .

It is an emirp because it is prime and its reverse (107159621) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 126951701 - 2¹⁴ = 126935317 is a prime.

It is a super-2 number, since 2×126951701² = 32233468773586802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (126951731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63475850 + 63475851.

It is an arithmetic number, because the mean of its divisors is an integer number (63475851).

Almost surely, 2^126951701 is an apocalyptic number.

It is an amenable number.

126951701 is a deficient number, since it is larger than the sum of its proper divisors (1).

126951701 is an equidigital number, since it uses as much as digits as its factorization.

126951701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3780, while the sum is 32.

The square root of 126951701 is about 11267.2845442014. The cubic root of 126951701 is about 502.5888406737.

The spelling of 126951701 in words is "one hundred twenty-six million, nine hundred fifty-one thousand, seven hundred one".